Frost Dates for Armona, CA
Based on data from Hanford 1 S weather station, 4 miles away
Frost Dates
Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
February 7
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
December 1
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost
February 17
First Fall Frost
November 25
Hard Freeze (28°F)
Last Spring Hard Freeze
January 12
First Fall Hard Freeze
December 14
Growing Season
298 Days
February 7 to December 1
USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 9a
Avg. annual minimum: 20 to 25°F (−7 to −4°C)
Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSh
Hot Semi-Arid (Steppe)
Hot with low but not negligible rainfall. Less extreme than true desert. Dryland farming techniques and drought-tolerant varieties work well. Mulching and water conservation are key.
Temperature
30°
50°
70°
90°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Precipitation
0"
2"
4"
4.4"
Sunrise / Sunset
Daylight
Longest: 14h 29m · Shortest: 9h 31m
Nearby Stations
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